He is an expert in biophysics.

I am majoring in biophysics at university.

Molecular biology is a field of study that understands life phenomena at the molecular level.

I am majoring in developmental biology at university.

Cell biology is the study of the structure and function of cells, which are the basic units of life.

We have a responsibility to protect the biodiversity of the Earth.

The study of benthos is an important field in marine biology.

According to the law on specified alien species, the import of certain organisms is prohibited.

He said, 'A nameless star comes out in the evening,' teaching me that achieving a goal is not easy.

He cautioned not to speak ill of others, saying, 'Illness enters by the mouth, and disaster does not come out of it.'